62
votes
22
answers
3K
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How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll. One record of this col
59
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14
answers
2.5K
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Retrieve only the queried element in an object array in MongoDB collection
Suppose you have the following documents in my collection: { "_id":ObjectId("562e7c594c12942f08fe4192"),
